Home / 10,243.16-15,366.36-3,669.20

Finding the Fourth Proportional to 10,243.16, 15,366.36 and 3,669.20

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Solution

The fourth proportional to 10,243.16, 15,366.36 and 3,669.20 is: 5,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.16 : 15,366.36 = 3,669.20 : x
  2. Step 2: Convert to fraction form
    10,243.16/15,366.36 = 3,669.20/x
  3. Step 3: Cross multiply
    10,243.16x = 15,366.36 × 3,669.20
  4. Step 4: Simplify right side
    10,243.16x = 56,382,248.11
  5. Step 5: Solve for x
    x = 56,382,248.11/10,243.16
  6. Step 6: Final answer
    x = 5,504.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.